package com.itheima.config;


import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;

/*
* 拦截器工具类
* */

@WebFilter("/*")
public class EncodingFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        //乱码处理
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html;charset=tf-8");
        //放行
        chain.doFilter(request,response);
    }

    @Override
    public void destroy() {

    }
}
